The performance of an internal combustion engine of a Mercedes Benz considerably depends on how the air and fuel mixture of the burn material is introduced for power generation. Mercedes Benz engines are typically set up to inject fuel and air to the engine through a carburetor, a fuel injection system, or a diesel injection system. They use different fuel injection methods, and the resulting engine power is dissimilar from one injection system to another. If it's any indication, the unpopularity in the Hot Rod industry (automotive technology's performance segment) of the carburetor system, wherein both fuel and air are simply flowed in to the combustion chambers, lends credibility to the common practice of injecting fuel and air at high-boost state to attain high engine power production.

Both the Mercedes Benz fuel injection and diesel injection systems primarily subject air and fuel to compression before they are injected into the engine. This high-boost fuel materials are proven to have high burn rate, maximizing the power potential of both the air and fuel components. But here the similarity of the two fuel injection systems ends. Mercedes Benz cars fitted with a fuel injection system runs on petrol, which has a considerably less burn rate than diesel. Here, a spark plug is needed to ignite the petrol, a burn method that makes combustion unreliable. In Mercedes Benz diesel engines, the fuel materials ignite as they are compressed to a very high temperature. They reach the combustion chambers already filled with engine power.

A Mercedes Benz diesel engine uses a burn method called the Diesel Cycle. Its engine make is entirely different from a typical internal combustion engine. Similarly, the car's most vital engine part is its power supply line composed of the Mercedes Benz diesel injection system. The Mercedes Benz diesel injector is chiefly responsible in atomizing and injecting the fuel. Early Mercedes Benz fuel injectors are of the ?mechanical type,? which require no electricity to activate them. The fuel injection pump delivers timed precise amounts of fuel through the metal lines that run from the pump to each injector. When the fuel pressure inside the injector overcomes the spring pressure that keeps the injector closed, the injector fires and sprays fuel into the engine.

Because the Mercedes Benz diesel injector is operated by a network of springs and valves, the injector is at risk of weakening its mechanical parts over time. In the event that these parts of the Mercedes Benz diesel injector gave up from the high-boost operating condition in the engine bay, fuel gets sprayed into the chamber prematurely. This can lead to a predetonation condition inside the engine. The equivalent to this on a petrol engine is the "pinging" that you might hear when you accelerate. "Nailing" is the the term used to describe this condition in Mercedes Benz diesel engines. Nailing is much louder than a petrol engine's ping. It sounds like a loud metallic noise and is one of the main reasons why there are diesel engines that sound much quieter when they are idling.

The process of diesel injection is controlled by a solenoid on the Mercedes Benz diesel injector, where the hydraulic force used to open and close the injectors is transmitted to the jet needle by a piston rod. Mercedes Benz diesel injector are categorized based on the solenoid material it uses. It comes in magnetic or crystal wafer solenoids. Crystal solenoid has the special characteristic of expanding rapidly when an electric field is applied to them. The movement of the crystal packet is transmitted friction-free, using no mechanical parts, to the rapidly switching spray nozzles.